Self-Tapping Countersunk Head Screws

Self-tapping countersunk head screws are used to attach various parts to the boats and feature a countersunk head that allows the screw to sit flush instead of sticking up. See below to determine the right size screw for your application.

3x7mm attaches the Str5 elongated washer

3x12mm is for double action seats

4x13mm is for seat support Sea11B without spacers, white bow and stern deck bungs

4x15mm attaches stretcher tracks to seat decks, number plate holders, rudder wire guides, and coastal elastic nets

4x20mm is for the holder for a flap on coastal shells

4x22mm is for seat support Sea11B with one spacer

4x25mm attaches seat rail stoppers

4x32mm is for seat support Sea11B with two spacers